fp_trap_invalid
te |= (1 << fp_trap_invalid);
1 << fp_trap_invalid,
1 << fp_trap_invalid,
1 << fp_trap_invalid,
1 << fp_trap_invalid,
1 << fp_trap_invalid,
1 << fp_trap_invalid,
1 << fp_trap_invalid,
1 << fp_trap_invalid
if ((sw & FE_INVALID) && !(cw & (1 << fp_trap_invalid)))